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Mirrors > Home > ILE Home > Th. List > pm2.76 | Unicode version |
Description: Theorem *2.76 of [WhiteheadRussell] p. 108. (Contributed by NM, 3-Jan-2005.) (Revised by Mario Carneiro, 31-Jan-2015.) |
Ref | Expression |
---|---|
pm2.76 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | orc 684 |
. . 3
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2 | 1 | a1d 22 |
. 2
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3 | orim2 761 |
. 2
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4 | 2, 3 | jaoi 688 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 681 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: pm2.75 781 pm2.81 783 orimdidc 872 equs5or 1782 |
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